Flight Amsterdam Airport Schiphol departs from Amsterdam Amsterdam Airport Schiphol at 14:05 and arrives at Riga Riga International Airport at 17:15.
The flighttime is about 5h 10m. The distance travelled ("as the bird flies"): 2192 Km. So the average speed is roughly 424 Km.
There is an 2 hour time difference between Amsterdam and Riga
